Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual era o TNS-Sofres quando o Iflop era de 5%?
 ###Tabelas: CREATE TABLE top-10_wins_per_season (top-10_wins_per_season_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Ranking VARCHAR, Event VARCHAR, Surface VARCHAR, Round VARCHAR, Score VARCHAR) CREATE TABLE round_7 (round_7_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Crowd INT, Date VARCHAR) CREATE TABLE polling (polling_id AUTO_INCREMENT PRIMARY KEY, Party VARCHAR, Results 2004 VARCHAR, CSA 5/28/09 VARCHAR, Ifop 5/30/09 VARCHAR, Ipsos 5/30/09 VARCHAR, BVA 6/1/09 VARCHAR, TNS-Sofres 6/2/09 VARCHAR, OpinionWay 6/3/09 VARCHAR, Ipsos 6/3/09 VARCHAR, TNS-Sofres 6/4/09 VARCHAR, CSA 6/4/09 VARCHAR, Ifop 6/4/09 VARCHAR) CREATE TABLE tank_locomotives (tank_locomotives_id AUTO_INCREMENT PRIMARY KEY, Class VARCHAR, Railway number(s) VARCHAR, Quantity INT, Year(s) of manufacture VARCHAR, Type VARCHAR) CREATE TABLE railway_stations_currently_in_use (railway_stations_currently_in_use_id AUTO_INCREMENT PRIMARY KEY, Station (and code) VARCHAR, Managed by VARCHAR, Lines served VARCHAR, Station users 2007/8 INT, Station users 2008/9 VARCHAR, Year opened VARCHAR, Platforms VARCHAR, Borough VARCHAR)  
SELECT TNS-Sofres 6/2/09 FROM polling WHERE Ifop 5/30/09 = 5%